{"id":1552160,"url":"https://alion.io/job/kreios-space-ltd-rf-power-systems-engineer","title":"RF Power Systems Engineer","company":{"id":2030386,"name":"Kreios Space Ltd","domain":"kreiosspace.com","url":"https://alion.io/company/kreiosspace","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":{"grade":"B","score":70,"open_postings":14,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nigrán, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":42000,"max_usd":122000,"period":"year","method":null,"sample_n":3689},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-07-09T10:25:27Z","employer_posted_date":"2026-07-09","last_verified_at":"2026-10-15T13:54:55Z","board_verified":true,"closed_at":null,"days_open":98,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":98},"description":"Your mission\nAs an RF Power Systems Engineer, you will contribute to the development of Kreios Space's electric propulsion systems for Very Low Earth Orbit (VLEO).Your mission will be to support the development, integration, and validation of the RF power system that enables plasma generation and sustainment in our air-breathing electric propulsion technology.\nYou will work on the architecture and performance of RF generators, matching networks, RF power delivery chains and their interaction with plasma loads. You will also serve as the primary technical interface with external suppliers responsible for the development of the Power Processing Unit (PPU), ensuring alignment with system requirements and supporting integration, testing and verification activities.\nYou will work closely with propulsion, plasma physics, avionics and systems engineering teams in a highly hands-on environment, helping transform cutting-edge plasma propulsion concepts into robust flight hardware.\nYour profile\n Specific KnowledgeStrong understanding of RF engineering fundamentals, including power transmission, impedance matching and RF system characterization\nExperience with RF power generation and delivery systems\nKnowledge of matching networks and RF coupling techniques for complex or dynamic loads\nExperience working with RF generators, amplifiers and high-power RF hardware\nExperience with High Voltage systems and associated safety requirements\nExperience with MOSFET-based switching circuits\nAbility to review electrical schematics, technical documentation and supplier designs\nExperience defining and executing test campaigns and analyzing experimental data\nBasic programming or scripting skills (Python, MATLAB or similar)\nNice to HaveUnderstanding of plasma-RF interactions or willingness to develop expertise in this area\nElectric propulsion systems\nPlasma sources or plasma processing equipment\nRF plasma generation systems\nSpace hardware development\nEMC/EMI engineering\nECSS standards\nSupplier management and technical coordination\nReliability, FMEA and failure investigations\nInterpersonal Skills\nStrong systems-thinking mindset and ability to understand interactions across complex subsystems\nProactive and hands-on approach to solving technical challenges\nMethodical and detail-oriented, particularly when working with high-voltage equipment\nComfortable collaborating within multidisciplinary engineering teams\nStrong communication skills, capable of challenging suppliers constructively and driving technical discussions\nAdaptable and resilient in a fast-moving startup environment\nPositive attitude, constructive sense of humor and ability to contribute to a healthy and enjoyable work environment\nWhy us?\nWork on real space hardware that will fly in orbit, not just simulations or papers\nBe part of a fast-growing European space startup shaping the future of sustainable space operations\nTake ownership of a critical subsystem at the heart of our propulsion technology\nHelp build Kreios Space's internal expertise in high-voltage power electronics and electric propulsion\nJoin a highly collaborative, respectful and supportive team where knowledge is shared openly\nEnjoy a great work environment that values trust, autonomy, learning and good energy at work\nStrong technical growth path in a scaling company, where your work has visible impact and you actively help shape both the technology and the way we 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